Title :
Frequency division multiplexed 1 Gsymbol/s, 64 QAM coherent optical transmission with a spectral efficiency of 8.6 bit/s/Hz
Author :
Yoshida, Masato ; Goto, Hiroki ; Omiya, Tatsunori ; Kasai, Keisuke ; Nakaza, Masataka
Author_Institution :
Research Institute of Electrical Communication, Tohoku University 2-1-1 Katahira, Aoba-ku, Sendai-shi, Miyagi-ken, 980-8577 Japan
Abstract :
We have successfully transmitted a three-channel frequency division multiplexed 1-Gsymbol/s, 64 QAM coherent optical signal over 160-km with a 1.4-GHz spacing. The spectral efficiency reaches as high as 8.6-bit/s/Hz.
Keywords :
Bandwidth; Frequency division multiplexing; Light sources; Optical filters; Optical mixing; Optical modulation; Optical receivers; Optical transmitters; Phase locked loops; Quadrature amplitude modulation;
Conference_Titel :
Optical Communication, 2008. ECOC 2008. 34th European Conference on
Conference_Location :
Brussels, Belgium
Print_ISBN :
978-1-4244-2227-2
Electronic_ISBN :
978-1-4244-2228-9
DOI :
10.1109/ECOC.2008.4729160
